Saturday, Oct. 7, 2017 | noon to 6 p.m. The seventh annual Bierbörse, a favorite of local craft beer enthusiasts, will take place from noon to 6 p.m. on Saturday, Oct. 7 in Downtown Rapid City. Try a selection of more than 70 beers, participate in a beer stock exchange, dance to polka music, and more. The event is free and open to all ages. IDs [more]